/**
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

addScriptToInject(function() {

chrome_comp.CompDetect.declareDetector(

'tr_height',

chrome_comp.CompDetect.ScanDomBaseDetector,

null, // constructor

function checkNode(node, context) {
  if (Node.ELEMENT_NODE != node.nodeType || context.isDisplayNone() ||
      document.compatMode != 'BackCompat')
    return;

  if (node.tagName == 'TR') {
    var definedHeight =
        chrome_comp.getDefinedStylePropertyByName(node, false, 'height');
    if (parseFloat(definedHeight) > 0) {
      var height = node.offsetHeight;
      // Remove the defined height, to see whether the height shrinks
      node.style.height = 'auto';
      if (node.offsetHeight < height)
        this.addProblem('RE1005', [node]);
      node.style.height = definedHeight;
    }
  }
}
); // declareDetector

});
